update

Dockerfile

@@ -26,4 +26,7 @@ COPY --from=frontend-build /frontend/dist /app/frontend/dist
 # HF Spaces uses port 7860
 EXPOSE 7860
 
-CMD ["uvicorn", "backend.app.main:app", "--host", "0.0.0.0", "--port", "7860"]
+# Set PYTHONPATH to include backend directory
+ENV PYTHONPATH=/app/backend:$PYTHONPATH
+
+CMD ["uvicorn", "app.main:app", "--host", "0.0.0.0", "--port", "7860", "--app-dir", "/app/backend"]

backend/app/main.py

@@ -14,9 +14,9 @@ from typing import Dict, List
 import json
 import asyncio
 
-from app.database import get_db, UploadedFile, Prompt, GeneratedSequence
-from app.models import UploadResponse, PromptSaveRequest, SequenceResponse
-from app.gpt_service import generate_email_sequence
+from .database import get_db, UploadedFile, Prompt, GeneratedSequence
+from .models import UploadResponse, PromptSaveRequest, SequenceResponse
+from .gpt_service import generate_email_sequence
 
 app = FastAPI()